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Bluetooth: Extend advertising parameters with optional own address

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Applications may want finer control of the NRPA used for
non-connectable beacons, and provide it up-front rather than letting
the stack generate one.

Change-Id: I84d459372cc85ed09a8f9cde16dbb9b98dec2a43
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
This commit is contained in:
Johan Hedberg 2016-11-27 21:07:11 +02:00
commit 5ac059b6b9
2 changed files with 18 additions and 2 deletions
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6
include/bluetooth/bluetooth.h
View file

@ -126,6 +126,12 @@ struct bt_le_adv_param {
/** Maximum Advertising Interval (N * 0.625) */
uint16_t interval_max;
/** Optional pre-defined (random) own address. Currently
* the only permitted use of this is for NRPA with
* non-connectable advertising.
*/
const bt_addr_t *own_addr;
};
/** Helper to declare advertising parameters inline

14
subsys/bluetooth/host/hci_core.c
View file

@ -3844,11 +3844,21 @@ int bt_le_adv_start(const struct bt_le_adv_param *param,
#endif /* CONFIG_BLUETOOTH_PRIVACY */
set_param->type = BT_LE_ADV_IND;
} else {
if (param->own_addr) {
/* Only NRPA is allowed */
if (!BT_ADDR_IS_NRPA(param->own_addr)) {
return -EINVAL;
}
err = set_random_address(param->own_addr);
} else {
#if defined(CONFIG_BLUETOOTH_PRIVACY)
err = le_set_rpa();
err = le_set_rpa();
#else
err = le_set_nrpa();
err = le_set_nrpa();
#endif /* CONFIG_BLUETOOTH_PRIVACY */
}
if (err) {
net_buf_unref(buf);
return err;